Home / 159,732.38-220,431.30-88,111.37

Finding the Fourth Proportional to 159,732.38, 220,431.30 and 88,111.37

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Solution

The fourth proportional to 159,732.38, 220,431.30 and 88,111.37 is: 121,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,732.38 : 220,431.30 = 88,111.37 : x
  2. Step 2: Convert to fraction form
    159,732.38/220,431.30 = 88,111.37/x
  3. Step 3: Cross multiply
    159,732.38x = 220,431.30 × 88,111.37
  4. Step 4: Simplify right side
    159,732.38x = 19,422,503,833.88
  5. Step 5: Solve for x
    x = 19,422,503,833.88/159,732.38
  6. Step 6: Final answer
    x = 121,594.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.